Coating device for acetaminophen tablet production

By designing a coating device for a stirring tank and a spray pipe that can seal the cover, the problem of splashing in the prior art is solved, and the effect of reducing raw material waste and improving coating uniformity is achieved.

CN222676864UActive Publication Date: 2025-03-28DAN DONG HONG YE PHARM CO LTD
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Patent Information

Application Number
CN202420600814.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2025-03-28
Estimated Expiration
2034-03-27

AI Technical Summary

Technical Problem

The existing coating device for the production of acetaminophen tablets lacks a cover plate when it is tilted and rotated, which makes the tablets easy to splash and waste of production materials.

Method used

A coating device is designed, including a mixing tank and a spray pipe. The mixing tank can seal the cover plate, drive the stirring tank to rotate through a servo motor, and spray the coating liquid evenly on the surface of the tablet through the spray pipe.

Benefits of technology

It effectively avoids the splashing of the tablets during rotation, reduces the waste of production raw materials, and improves the uniformity of the coating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coating device for paracetamol tablet production, which comprises a bottom plate, the upper end face of the bottom plate is fixedly connected with a first support plate, the upper end face of the bottom plate is fixedly connected with a liquid pump, the liquid outlet end of the liquid pump is provided with a connecting pipe, and the connecting pipe is fixedly connected with the first support plate. One end of the connecting pipe penetrates through the back face of the first supporting plate to be fixedly connected with a spraying pipe, the connecting pipe is communicated with the interior of the spraying pipe, a second supporting plate is fixedly connected to the upper end face of the bottom plate, a stirring tank is rotationally connected between the first supporting plate and the second supporting plate, and the interior of the stirring tank is rotationally connected to the surface of the spraying pipe at the same time. And the surface of the stirring tank is fixedly connected with a hinge. During coating, the acetaminophen tablets are placed in the stirring tank and screwed in the fixing block through the threaded rod, the cover plate can be sealed on the stirring tank, the acetaminophen tablets can be prevented from being scattered outside the equipment when the stirring tank rotates, and waste of production raw materials can be reduced.
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Description

Technical Field

[0001] The utility model relates to the field of coating devices, in particular to a coating device for producing acetaminophen tablets. Background Art

[0002] Patent No. CN215230350U discloses a coating device for the production of acetaminophen tablets. The utility model has a reasonable structural design, meets different process requirements such as coating thickness, and improves adaptability and versatility.

[0003] However, when using the above-mentioned existing coating device for producing acetaminophen tablets, the tablets are first placed in the coating pot, the coating slurry is added to the feeding hopper, and the driving motor 1, the feeding pump and the blower are started. The driving motor 1 drives the sleeve to rotate, and drives the coating pot to rotate around the connecting shaft through the bevel gear transmission (at this time, the connecting shaft rotates in the connecting frame). The coating slurry in the feeding hopper is pumped to the feeding pipe by the feeding pump, and finally sprayed from the nozzle of the feeding pipe into the coating pot. As the coating pot rotates, the coating slurry is gradually evenly distributed on the tablets and forms a sugar coating. When the coating pot in the device is tilted and rotated, due to the lack of a cover plate, the tablets are easily splashed outside the coating pot, resulting in a waste of production raw materials.

[0004] In order to solve the above problems, the utility model provides a coating device for producing acetaminophen tablets. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a coating device for the production of acetaminophen tablets to solve the technical problem in the prior art that "when in use, first put the tablets into the coating pot, add the coating slurry into the feeding hopper, start the driving motor 1, the feeding pump and the blower, the driving motor 1 drives the sleeve to rotate, and drives the coating pot to rotate around the connecting shaft through the bevel gear transmission (at this time the connecting shaft rotates in the connecting frame), the coating slurry in the feeding hopper is pumped to the feeding pipe by the feeding pump, and finally sprayed from the nozzle of the feeding pipe into the coating pot, as the coating pot rotates, the coating slurry is gradually evenly distributed on the tablets and forms a sugar coating, when the coating pot in the device is tilted and rotated, due to the lack of a cover plate, the tablets are easily splashed outside the coating pot, resulting in waste of production raw materials."

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: it includes a base plate, the upper end surface of the base plate is fixedly connected to a first support plate, the upper end surface of the base plate is fixedly connected to a liquid pump, the liquid outlet end of the liquid pump is equipped with a connecting pipe, one end of the connecting pipe passes through the back side of the first support plate and is fixedly connected to a spray pipe, the connecting pipe is communicated with the spray pipe, the upper end surface of the base plate is fixedly connected to a second support plate, a stirring tank is rotatably connected between the first support plate and the second support plate, and the stirring tank is simultaneously rotatably connected to the surface of the spray pipe, the surface of the stirring tank is fixedly connected to a hinge, the surface of the hinge is hinged to a cover plate, the back side of the stirring tank is fixedly connected to a connecting block, the back side of the connecting block is fixedly connected to a transmission wheel, the number of the transmission wheels is set to two, and the upper end surface of the base plate is fixedly connected to a servo motor.

[0007] As a preferred technical solution of the utility model, the cover plate and the surface of the stirring tank are both fixedly connected with a fixing block, and the fixing block is internally threaded with a threaded rod.

[0008] As a preferred technical solution of the utility model, another transmission wheel is installed at the output end of the servo motor, and the surfaces of the two transmission wheels are connected by a transmission belt.

[0009] As a preferred technical solution of the utility model, a scraper is fixedly connected to the surface of the spray pipe, and the side surface of the scraper is slidably connected and fits with the inner wall of the stirring tank.

[0010] As a preferred technical solution of the utility model, the upper end surface of the bottom plate is fixedly connected with a liquid storage tank, and the liquid inlet end of the liquid pump is connected to the liquid storage tank.

[0011] As a preferred technical solution of the utility model, the cover plate is sealingly connected to the surface of the stirring tank, and the surface of the connecting block is rotatably connected to the second supporting plate.

[0012] The utility model provides a coating device for producing acetaminophen tablets, which has the following beneficial effects:

[0013] 1. During coating, the acetaminophen tablets are placed in the mixing tank and tightened in the fixed block through the threaded rod. The cover plate can be sealed on the mixing tank to prevent the acetaminophen tablets from being scattered outside the equipment when the mixing tank rotates, thereby reducing the waste of production raw materials.

[0014] 2. When the stirring tank rotates, the acetaminophen tablets can be turned over, and the spray pipe can evenly spray the coating liquid on the surface of the acetaminophen tablets to improve the uniformity of the coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the structure of a coating device for producing acetaminophen tablets proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a spray pipe of a coating device for producing acetaminophen tablets proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a scraper of a coating device for producing acetaminophen tablets proposed by the utility model;

[0018] Figure 4 The utility model discloses a structural schematic diagram of a connecting block of a coating device for producing acetaminophen tablets.

[0019] In the figure: 1 bottom plate, 2 liquid storage tank, 3 liquid pump, 4 first support plate, 5 connecting pipe, 6 stirring tank, 7 hinge, 8 cover plate, 9 servo motor, 10 fixing block, 11 threaded rod, 12 connecting block, 13 driving wheel, 14 scraper, 15 spray pipe, 16 second support plate. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] refer to Figure 1-4 The utility model provides a technical solution: it includes a bottom plate 1, a first support plate 4 is fixedly connected to the upper end surface of the bottom plate 1, a liquid pump 3 is fixedly connected to the upper end surface of the bottom plate 1, the model of the liquid pump 3 is set to TW24-300B, the manufacturer is New Territory Pump Industry, a connecting pipe 5 is installed at the liquid outlet end of the liquid pump 3, one end of the connecting pipe 5 passes through the back of the first support plate 4 and is fixedly connected to a spray pipe 15, the connecting pipe 5 is connected to the inside of the spray pipe 15, a second support plate 16 is fixedly connected to the upper end surface of the bottom plate 1, a stirring tank 6 is rotatably connected between the first support plate 4 and the second support plate 16, and the stirring tank 6 is simultaneously rotatably connected to the surface of the spray pipe 15, a hinge 7 is fixedly connected to the surface of the stirring tank 6, and a cover plate 8 is hingedly connected to the surface of the hinge 7, a connecting block 12 is fixedly connected to the back of the stirring tank 6, a transmission wheel 13 is fixedly connected to the back of the connecting block 12, and the number of the transmission wheels 13 is set to two, and a servo motor 9 is fixedly connected to the upper end surface of the bottom plate 1.

[0022] Among them, the cover plate 8 and the surface of the mixing tank 6 are fixedly connected with a fixing block 10, and the fixing block 10 is internally threaded with a threaded rod 11. By setting the threaded rod 11, when the threaded rod 11 is tightened in the fixing block 10, the tightness of the connection between the cover plate 8 and the mixing tank 6 can be improved.

[0023] Among them, another transmission wheel 13 is installed at the output end of the servo motor 9, and the surfaces of the two transmission wheels 13 are connected with transmission belts. By setting the transmission belt, the servo motor 9 can be rotated through the transmission belt transmission connection block 12.

[0024] The surface of the spray pipe 15 is fixedly connected with a scraper 14 , and the scraper 14 can scrape off the coating liquid remaining on the inner wall of the stirring tank 6 , and the side of the scraper 14 is slidably connected and fits with the inner wall of the stirring tank 6 .

[0025] The upper end surface of the bottom plate 1 is fixedly connected with a liquid storage tank 2 , and the liquid inlet end of the liquid pump 3 is connected with the liquid storage tank 2 .

[0026] The cover plate 8 is sealed and connected to the surface of the stirring tank 6 , and the surface of the connecting block 12 is rotatably connected to the second supporting plate 16 .

[0027] The working principle of the utility model is as follows: first, the staff opens the cover plate 8 to put the acetaminophen tablets into the stirring tank 6, and then adds the coating liquid into the liquid storage tank 2. The staff closes the cover plate 8 and tightens it in the fixing block 10 through the threaded rod 11, which can improve the tightness of the connection between the cover plate 8 and the stirring tank 6. Then, the staff starts the servo motor 9 to drive the transmission wheel 13 to rotate, and the transmission wheel 13 rotates through the transmission belt transmission connecting block 12, and the connecting block drives the stirring tank 6 to rotate. When the stirring tank 6 rotates, the acetaminophen tablets can be turned over. At the same time, the staff starts the liquid pump 3 to transport the coating liquid in the liquid storage tank 2 to the spray pipe 15 through the connecting pipe 5, and then sprays the acetaminophen tablets through the spray pipe 15, so that the coating liquid can be evenly wrapped on the surface of the acetaminophen tablets.

[0028] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model.

Claims

1. A coating device for producing acetaminophen tablets, comprising a base plate (1), characterized in that: The upper end surface of the bottom plate (1) is fixedly connected to a first support plate (4), the upper end surface of the bottom plate (1) is fixedly connected to a liquid pump (3), a connecting pipe (5) is installed at the liquid outlet end of the liquid pump (3), one end of the connecting pipe (5) passes through the back side of the first support plate (4) and is fixedly connected to a spray pipe (15), the connecting pipe (5) is connected to the inside of the spray pipe (15), the upper end surface of the bottom plate (1) is fixedly connected to a second support plate (16), the first support plate (4) and the second support plate (16) are connected to each other. A stirring tank (6) is rotatably connected therein, the stirring tank (6) is simultaneously rotatably connected to the surface of a spray pipe (15), a hinge (7) is fixedly connected to the surface of the stirring tank (6), the surface of the hinge (7) is hingedly connected to a cover plate (8), a connecting block (12) is fixedly connected to the back of the stirring tank (6), a transmission wheel (13) is fixedly connected to the back of the connecting block (12), the number of the transmission wheels (13) is set to two, and a servo motor (9) is fixedly connected to the upper end surface of the base plate (1).

2. A coating device for producing acetaminophen tablets according to claim 1, characterized in that: The cover plate (8) and the surface of the stirring tank (6) are both fixedly connected with a fixing block (10), and the fixing block (10) is internally threadedly connected with a threaded rod (11).

3. A coating device for producing acetaminophen tablets according to claim 1, characterized in that: Another transmission wheel (13) is installed at the output end of the servo motor (9), and the surfaces of the two transmission wheels (13) are connected by transmission belts.

4. A coating device for producing acetaminophen tablets according to claim 1, characterized in that: A scraper (14) is fixedly connected to the surface of the spray pipe (15), and the side surface of the scraper (14) is slidably connected and fits with the inner wall of the stirring tank (6).

5. A coating device for producing acetaminophen tablets according to claim 1, characterized in that: The upper end surface of the bottom plate (1) is fixedly connected to a liquid storage tank (2), and the liquid inlet end of the liquid pump (3) is connected to the inside of the liquid storage tank (2).

6. A coating device for producing acetaminophen tablets according to claim 1, characterized in that: The cover plate (8) is sealingly connected to the surface of the stirring tank (6), and the surface of the connecting block (12) is rotatably connected inside the second supporting plate (16).

Citation Information

Patent Citations

  • Coating device for acetaminophen tablet production

    CN215230350U